问题：
[单选题]建筑设计中，室内坡道的坡度为1/8、室外坡道的坡度为1/10、残疾人专用坡道的坡度为1/12。通行轮椅的坡道及走道净宽不宜小于
A、1.2M
B、1.5M
C、1.8M
D、2.1M
参考答案：
B
相关内容
- ● 建筑设计中，室内坡道的坡度为1/8、室外坡道的坡度为1/10、残疾人专用坡道的坡度为1/12。通行轮椅的坡道及走道净宽不宜小于
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